Heiberg Forest

The topography of the island is also of note. The west end of the island features a closed-canopy forest with more hardwood trees. The east end of the island is better characterized as a “boreal forest,” a term used to describe regions that are mostly covered by coniferous forests. It is good to note that the balsam fir is found on both ends of the island, but that samples used in the study from the west end of the island were, on average, older, but shorter, than those samples found on the east side of the island.

Boxelder Maple trees depend on the dispersal of their samaras to reproduce. The samaras are the seeds of the tree that are shaped in such a way that the wing of the seed causing it to spin. The seed does not fall directly but instead twirls like a helicopter making it stay in the air longer. With the wind the seed can then me dispersed away from the parent tree to take rout and grow on its own. Not all seeds float away from the parent seed and take rout. Some end up falling to close to the parent tree not allowing them to survive due to not getting nutrients and sunlight. “Recent field studies have made progress in elucidating the mechanisms behind these patterns and the implications of these patterns for recruitment success”

In the forests of Argentina where the trees stand tall and the soil is moist and fertile, live a variety of dwelling species who are extremely adaptive to the moderate and constant environment. The temperate deciduous forest has a great beauty and countless wonders that make it stand out from many other biomes. With its indifferent temperature and substantial habitats, many animals, like the crab-eating fox, are able to inhabit the environment with the use of many essential adaptations. The very fertile and rich-nutrients soil allow many magnificent vegetation to thrive and succeed. With temperate meaning “not to extreme” or “in moderation” and deciduous meaning “to fall off,” there would

The rest of the plant population in the rich cove ecosystem consists of Pine Trees. White Pines, Pine Oaks, and Hardwood Pine trees are all present. The reason these types of plants thrive in the rich cove ecosystem is because they are all moisture loving plants. The rich cove ecosystem has a naturally moist, and nutrient soil, which allows these plants to not only survive, but thrive. The trees within the rich cove ecosystem are incredibly old, and serve as a display of one of oldest deciduous forests in all of the United States. Because there are so many old and tall trees in the rich cove ecozone, the tree canopy is very thick. In the spring time, the rich cove ecosystem has a flourishing floral community. There are remarkable amounts of wild flowers that grow in the rich cove forest in spring. Animal life in the rich cove forest is very abundant, because a majority of this forest is very remote. One issue that dangers the rich cove forest is the severity of the cold in the winter, making it difficult for plants and animals to survive in some of the more harsh areas within the rich cove

The trees aren’t going to be the tallest in the forest. They are usually 30-40 foot tall and 3-4 foot tall. The trees reach maturity with in 60-80 years of age and most often living upwards of 100 years of age.

Silver maple on good sites can be managed for timber – it is often cut and sold with red maple as “soft maple” lumber. © William S. Justice Dept. of Botany, Smithsonian Institution @ PLANTS

Only a century ago, South America's primitive forests blanketed the entire region from the southern tip of the continent north half the length of Chile's coast and eastward into Argentina's Patagonia. Beech trees of the genus Nothofagus covered most of the region, mixed with evergreen and various deciduous trees. Once extending more than 35 million acres, these forests comprised the largest stands of pristine temperate rainforest in the world (Nash 1994). Nothofagus beeches are among the most ancient species of trees and have been on Earth more than 150 million years. Soon after their arrival in the 16th century, European settlers began logging these forests, but not until the 20th century did widespread clearance begin. During the 1940s

This lab is designed to help student observe the forest community. After this lab, student will be able to distinguish the ecological concept that determine the distribution of population size. The main objectives of this lab were to figure out the density of tree species in the forest community, explain the significance of each species, interpret the concept of species diversity or similarity, contrast between the canopy and understudy forest structure, explain the affect of abiotic and biotic conditions on forest community. We have used the point quarter method to collect our data. We have predicted that there was a significant difference in the abiotic condition between the slope site and the lower site. We concluded that abiotic condition can affect the growth of a population by influencing an organisms to grow and

In this paper, I will explain what is the Anthropocene and how it is affecting the mortality of trees. Tree especially forest can be wiped out in two way, abiotic and biotic. Abiotic means of death are naturally accruing events that trees experience and with given time build resilience to, but with the help of man these events have become more reoccurring and much more extreme. Climate change is a great factor in the increase of tree mortality, with the rise in global temperature and the increase in extreme weather from the intense burning of fossil fuels. Biotic means that affect the mortality of trees are starvation due to lack of light, water and sometimes lack of Carbon dioxide. There are also diseases, insects and direct biotic means such as deforestation, all will be discussed at some point in this paper.

Oaks are among the most genetically polymorphic forest species , hence their high adaptivecapacity 19 .

The host, stress, and pathogen hypothesis describes decline as a disease. This theory suggests that some form of environmental stress alters the host tissues making it vulnerable to pathogen invasion. The pathogen thus invaded weakens the plant tissues leading to tree decline (Ciesla and Donaubauer, 1994). The synchronous cohort senescence hypothesis considers decline as a part of forest dynamics involving various interacting factors. This concept considers that certain sudden eliciting environmental factors such as drought and flood predispose the trees to pest and pathogen attacks (Ciesla and Donaubauer, 1994).

The main purpose for the field trip was to assess and understand forest succession using fundamental field ecological techniques. Forest succession plays a role on the ecosystem, driving changes in the development of its contained environment. Time is a factor in succession since succession has a slow development rate. Furthermore, forest succession is categorized into two stages: Primary and secondary. The difference of both succession stages are noticeable due to its characteristics. Primary succession stage contains pioneer plants where low-height plants such as shrubs and lichens thrive because of its newly developed environment. On the other hand, secondary succession stage contains structured trees, developing a forest setting. The fieldwork

Silver Maples grows all along the east coast and a majority of the Midwest, wherein the range fully saturates Iowa. The climatic conditions of Iowa are suitable for Silver Maples, especially in alluvial soils. Silver maples grow best in better-drained moist areas and appears as a dominant species in streamside/floodplain

Acer saccharum, commonly referred to as the sugar maple is an ecologically and economically significant hardwood tree found in the northeastern and Midwest regions of the United States and the Eastern of Canada. The sugar maple is a native species that has competed well in many environments under diverse conditions. This species is important to maintain biodiversity in its native areas.

Our lab investigated the morphological characteristics of leaves found in the sun and shade on various species of maple and oak trees around campus. Our null hypothesis was Acer and Quercus acclimate similarly with regards to SLW (specific leaf weight), size, and sinuosity. Our hypothesis was Quercus acclimation is greater than Acer SLW, size, and sinuosity. We tested these hypotheses by picking small sections of a branches from both maple and oak trees. A group was assigned either a maple or an oak tree, and needed a total of three different trees per group. Once three different trees were chosen, groups needed three shade leaves and three sun leaves of off each different tree. In total, each group should then end up with 18 leaves for testing. After collecting the leaves, we ran them through the LiCor 3100 leaf area meter to identify the area of each leaf. Major results found by the classes’ mutual data was each one of our p-values were greater than .05. This means that we failed to reject the null hypothesis. Thus, the lab results do not support our hypothesis that Quercus acclimation is greater than Acer SLW, size, and sinuosity.